Abstract:The article presents results of studies of contamination of metal of undeformed continuously cast billets (CCB) for boiler tubes from carbon steel supplied by various manufacturers with non-metallic inclusions. Contamination was investigated by metallographic means using methods of observation under a microscope in light and dark fields of vision in polarized light. Application of these methods has made it possible to determine the inclusion types (silicates, oxides, sulfides) with high probability based on op… Show more
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